The **M2AMS-1D-R/Q** is a specific variant of a Magnetic Proximity Sensor, typically utilized in industrial automation for position sensing, safety interlocking, and limit detection. It belongs to the M2 series of sensors, often produced by manufacturers like **Bernstein AG** or similar industrial sensor providers. --- ### 1. Technical Specifications The following table outlines the general technical characteristics of this component: | Feature | Specification | | :--- | :--- | | **Housing Type** | M12 x 1 Threaded Cylinder | | **Sensing Principle** | Magnetic (Reed Switch / Hall Effect) | | **Contact Type** | 1 Changeover (SPDT) - Form C | | **Switching Voltage** | Up to 250V AC/DC (Max) | | **Switching Current** | Up to 1.0A (Typical) | | **Housing Material** | Stainless Steel or Brass (Nickel Plated) | | **Connection Type** | Cable or M12 Plug Connector | | **IP Rating** | IP67 (Dust tight and water immersion) | --- ### 2. Key Components and Electronic Logic The "1D" designation usually refers to the contact arrangement and "R/Q" refers to the specific wiring or connector configuration. * **Magnetic Actuation:** Unlike inductive sensors that detect metal, this device requires a **permanent magnet** to trigger the internal switch. * **Reed Switch Technology:** Inside the housing is a hermetically sealed glass tube containing two ferromagnetic reeds. When a magnetic field is applied, the reeds move to open or close the circuit. * **SPDT Logic (Changeover):** The "1D" usually signifies a Single Pole Double Throw configuration. This means the sensor has one common terminal and can switch between a "Normally Open" (NO) and a "Normally Closed" (NC) path. --- ### 3. Application Use Cases This electronic part is commonly used in environments where non-contact sensing is required through non-ferrous materials (like plastic or aluminum). 1. **Safety Guards:** Ensuring a machine door is closed before operation. 2. **Piston Position:** Detecting the position of a piston inside a non-magnetic cylinder. 3. **Hazardous Areas:** Because the contacts are sealed, they are less likely to ignite flammable gases compared to open mechanical switches. --- ### 4. Wiring Diagram Representation The electrical interface typically follows this logic: ```text [ Brown ] -------- ( Common ) / [ Black ] --------------/ ( Normally Open ) [ Blue ] ---------------- ( Normally Closed ) ``` ---